Anonymous participant 3 sentences what the company is doing, three sentences what you are doing for the company, and 3 or 4 copies of bank statements of received payments.
If in doubt, then ask the embassy/consulate and not on FB. They ask you to provide papers: they know what papers they want.
You probably did not point out clearly that you are employed? And they have the impression you are a free lancer/self employed ...
Work portfolios are usually asked from freelancers, not from employed workers!
In your case I would "transliterate" what is written in the passport. In general the rule is that you write exactly what is written in that field.
However in another thread "someone" (not the affected person) mentioned that "someone else" got rejected when he wrote his city name. And that he was suppsoed to simply write the land of origin. However: that is just someone who wrote something about someone else ...